<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>圆角边框</title>
<style type="text/css">
img{
 border:8px soild black;
 border-radius:50px 20px 10px  70px/30px 40px 60px 80px;
}
</style>
</head>

<body>
<img class="circle" src="1.jpg" alt="图片"/>
</body>
</html>